Oil-cake-forming apparatus.



\PATENTED SEPT. 22, 1903; E. a. BISBEB. OIL CAKE FORMING APPARATUS; APPLIOATIONFILB'D JUNE-6, 1901. BENEWB'D FEB. 24, 1903.

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OIL CAKE FORMING APPARATUS. APPLICATION FILED JUNE 6. 1 901. BENBWED FEB. 24, 1903' 7 SHEETS-SHBET 2.

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OIL CAKE FORMING APPARATUS. APPLICATION FILED JUNE 6. 1901. RENEWED BBB. 24, 1903.

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PATENTED SEPT. 22, 1903.

E. 0., BISBEE. OIL CAKE FORMING APPARATUS.

APPLICATION FILED JUNE 6, 1901. RENEWED FEB. 24. 1903.

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No. 739,478. PATBNTED SEPI.:-22, 1903.,

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OIL CAKE FORMING APPARATUS;

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E. G. .BISBEE. OIL CAKE FORMING APPARATUS.

APPLIOATIOH FILED JUNE 6. 1901. RENEWED rss. 24, 1903.

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UNrrno STATES Patented September 22, 1903.

ASSIGNOR or ONE-HALF TO CHARLES F. ELMES, OF COOK COUNTY, ILLINOIS.

OlL-CAKE-FORMINGAPPARATUS.

SPECIFICATION forming part of Letters Patent No. 739,478, dated September 22,, 1903.

Application filed June 6,1901. Renewed February 24, 1903.

T aZZ whom it may concern.-

Be it known that I, EDGAR O. BISBEE, a citizen of the United States, residing at Minneapolis, in the county of Hennepin and State,

of Minnesota, have invented certain new and useful Improvements in Oil-Oake-Forming Apparatus, of which the following is a specification.

My invention relates to improvements in oil- [0 cake-forming apparatus, the object beingto provide means for molding the product of flax and other oleaginous seed into cakes with a minimum amount of labor and expense. The usual method of forming these cakes as now practiced consists in first passing the seed through crushing-rolls, after which the meal thus formed is introduced into What is known as a heater or tempering-kettle, where it is steamed or otherwise treated. Themeal is then taken from the heater and molded into cakes, which are wrapped in cloths. and sub ,jected to pressure in a hydraulic press. In following this method much hand labor has been necessary and time consumed in handling the cakes, particularly in passing the cakes one at a time from a forming apparatus to the press. Forming-pans operated either by hand or automatically have also been used for. the purpose of shaping the cakes.

In my present invention the cakes of meal are automatically wrapped in cloth as they are formed and are then placed between the press-plates mechanically and without handling. p

5 Among the advantages which I claim for my improved apparatus as compared with machines now in use are greater speed, coupled with a minimum of manual labor and a higher-grade product.

1 In the accompanying drawings, forming part of this specification, Figure 1 is a front elevation of my invention, portions of the framework being shown broken away to expose the parts more clearly to view. 'Fig. 2

5 is a side elevation of my improved machine, parts being shown broken away. Fig. 3 is a plan view of the pressplate mechanism, showing the heater partly broken away and the press-'plate-feed mechanism in normal position corresponding to Fig. 1. Fig. 4 isa detail front elevation in section of the feed Serial No. 144,832- (Ilo model.)

mechanism, taken on the line X X of Fig. 3,- showing the carrier mechanism in advanced position. Fig. 5 is a detail sectional view of Fig. 3 taken on the same line, showing the feed mechanism in forward position and the carrying-bar in engagement with the trip-dog, also the pressure-lid removed to expose the mouth of the heater to view. Fig. 6 is another detail sectional view showing the press-plate feed in normal position and the carrying-bar about to leave the driving cog-wheelafter the pressplate holder has been raised and the cakereceiver lowered a stepi. 6., the thickness of a plate. Figs. 7 and 8 are detail views, respectively, of the escapement and feed ratchets on the driving cog-wheel shaft. Fig. 9 is a view looking at the bottom of the heater, showing the pressure-lid and the other parts in receded position. Fig. 10 is asimilar view to Fig. 9, showing the heater partly broken away and the pressure-lid and plunger forward. Fig. 11 is a detail view of the heater, showing the crank for operating the plunger blocked from engagement with the hook to prevent the operation of the plunger in the heater. Figs. 12 and 13 are detail views of the pressure-lid mechanism on the spout of the heater. Fig. 14 is a plan View of the heater, showing the revolving cover over the pocket in the bottom of the heater. Fig. 15

is a side elevation, partly in section, of an alternate form of heater.

For convenience throughout the specification and claims let- A represent the heater; B, the cake-forming mechanism; O, the pressplate-holding mechanism; D, the cake-receiving mechanism; E, the press-plate-feeding mechanism; F, the cloth-wrapping mechan ism; G, the drive-mechanism for the working parts of the machine, and H the frame supporting the various parts of the machine.

The heater A is of ordinary construction and, is preferably formed with the pocket 2 and the spout 3 in its base at. The base is 5 slotted at 5 to receive the plunger 6, which is adapted to reciprocate through the pocket and spout. The meal from the heater feeds into the pocket at each return stroke of the plunger, and as the plunger moves forward too the cover 7 is revolved over the pocket by the vertical shaft 22 to prevent the meal from creeping out or being forcedback into the heater, also to cause the meal to be compressed by the plunger into a firm cake and to be ejected out of the spout onto the cakereceiving mechanism D. The cake is still further compressed by the pressure-lid 8 over the opening 9 of the spout. (See Fig. 5.) This lid is supported by the guide-rods 10, (see Fig. 9,) which slide in the openings 11 in the base. The lid'is opened to the position shown in Fig. 10 by the frame 12, which is attached to the drive-rod 13. This drive-rod has the tapering shoulder 14 on its outer end 15. The spring-pin 16 on the base 4 in thepath of the shoulder 14 engages this shoulder when the lid is closed, so as to retain the lid under tension and allow the meal to be compressed in the pocket into a solid cake free from ragged ger moves forward.

closing, the jaw is caused to spring from en-v gagement with the flange by the trip 20, which impinges against the tapering shoulders 21 on the base of the heater. The lid then remains at rest and the plunger continues receding to the end of the stroke of the crank 27. The shoulder 14 engages the tension-pin as the rod trips from the flange, so as to be readiness to apply tension to the lid when the plunger moves forward.

The plunger is reciprocated by the pairs ofsprockets 23 and 24 which carry, respectively, the chains 25 and 26. The crank-arms 27 are pivotally attached at 28 to the chains, as shown in Figs. 9 and 11, and carry on their free ends the cross-bar 29. This cross-bar engages the hook 30, which is integral with the plunger, and as the chains travel the cranks by means of the hook reciprocate the plunger. The hook is provided with the block-arm 31, which is pivotally attached at 32. This arm may be raised by the handle to block the entrance of the hook and is held in said position by the spring-controlledpin 33, which is carried by the hook. When the hook is blocked, as shown in Fig. 11, the crossarm reciprocates freely by its ends in the channel-bars 34 on the base of the heater and does not operate the plunger. The pairs of sprockets are journaled at 36 and 37 on the base of the heater and are connected by the shafts 38 and 39 to the drivesprockets 40 and 41. These sprockets are driven, respectively, by the chains 42 and 43, (shown in Fig. 1,) which in turn are caused to travel by the sprockets 44 and 45. The

latter sprockets are mounted on the main drive-shaft 46, which carries the drive-pulley 47. The object of these chains and sprockets is to cooperate the cake-forming mechanism with the mechanisms O, D, E, and F.

The cake-receiving mechanism D is directly opposite and adjacent to the outlet9 (see Fig. 5) of the heater, and the press-plate-holding mechanism 0 adjoins the cake-receiving mechanism.

The press-plate-holding mechanism consists of the truck I, which is journaled upon the wheels 48, and is adapted to travel upon the track 49, into and out of the machine. The truck abuts against the stop 50, which is part of the supporting-frame H. The truck is locked in the frame, as shown in Fig. 1, by the cross-bar 51. The plates M for use in the press-machine (not shown) are received horizontally upon the base 52 of the truck from the press and stacked against the stops 53, which are integral with the frame of the truck. The base rests upon the top of the truck when loaded, and when the truck is locked in the machine, as shown in Fig. 1, the head 54 supports the base and rises step by step the thickness of a plate at a time as the machine is operated. The vertical rack 55 carries the head 54 upon its upper end and meshes with the pinion 56, located below the track of the machine. This pinion is mounted upon the shaft 57, which carries the drive-sprocket 58. The rack slides vertically through the guide 59.

The cake-receiving mechanism consists of the truck J, which is adapted to move on the track 49 by the journaled wheels 53'. This truck travels into and out of the cake-receiving end of the frame and is limited in its backward movement by the stop 50. It is locked in the frame against the stop by the bar 54. The horizontal base 55 is adapted to recede into the frame of the truck and to rest upon the shoulders 56 (shown in Fig. 2)

when the truck is loaded with cakes from the heater. The base 55 is lowered step by step 'i. 6., the thickness of the cake, press-plate,

and cloth wrapped around the cake-during each operation, so as to receive each new cake from the heater above the cake, press-plate, and cloth last placed upon the receiver. This movement of the base is accomplished by the vertical rack 57', which carries the head 58', upon which the base rests. The rack 57 slides vertically in the guide 59" and meshes with the pinion 60, which is journaled by the shaft 61 on the frame, as shown in Fig. 2. This shaft also carries the sprocket 62, which is in alinement with the sprocket 58. The sizes ofthese two sprockets are proportioned so that when driven by the chain 63 the re-,

ceiver D is lowered the thickness of the cake plus that of the press-plate and double that of the wrapping-cloth, while the plate-holder C is raised the thickness of one press-plate. This raising and lowering occurs at each revolution of the drive-bar 70. The drive-chain 63 is caused to travel in the direction of the arrows (shown in Fig. 1) by the sprocket 64, which is carried by the shaft 69.

The feed mechanism E is constructed as follows: A carriage L is adapted to reciprocate over the receiver and plate-holder in the grooves 71 in the sides of the frame. This carriage carries a pair of spring-tongues 72, which are fornied with shoulders 73. These shoulders engage the rear edge of the top plate on the holder, as shown in Fig. 1, and slide it forward onto the receiver. The pair of yoke-bars 74 are mounted on the other end of the carriage and curved at 87 to return the carriage by means of the drive-bar 70.

The drive-chains 75 arepositioned with the yokes between them, as shown in ig. 3, and the ends of the drive-bar 70 attached to the chains travel in the direction of the arrows (shown at Fig. 1) at equal speed upon the sprockets 76 and 77. The sprockets 76 are journaled at 78 on the frame, and the sprockets 77 are mounted on the shaft 80, which is journaled at 79 on the frame.

The shaft 80 is connected to the countershaft 83 by the sprockets 81 and 82 and the chain 84.. This counter-shaft is connected to the main drive-shaft by the intermeshing bevel-gears 85 and 86. (Shown in Fig. 1.) l/Vhen the chains 75travel in the direction indicated by the lower arrows in Fig. 6, the drivebar 70 engages the yokes 74 and slides the carriage forward to the position indicated in Fig. 4. When the drive-bar revolves around loose sprockets 76 and the inner curved surface 87 of the yokes, it engages the shoulders 88 on the dogs 89, pivoted at 90 upon the yoke, as shown in Fig. 5, and returns the carriage to receded position. In this position of the carriage the bars 70 are rendered ineffective, as dogs are tripped out of engagement therewith by the inclined faces 91 of the arms 92, which are attached at 93 to the frame. The carriage also carries the clothwrapping mechanism F, which consists of the transverse friction-rollers 95, 96, and 97, journaled, respectively, in the arms 98 on the frame of the carriage. The cloth 99 to be wrapped around the cakes and press-plates M is preferably formed in a roll 100 on the shaft 101, which is journaled in the arms 102. These arms are preferably attached to the truck I and extend above, so that the cloth clears the carriage'and passes around the idle roller 103 at the otherend of the machine. This idle roller is journaled at 101 on the frame, as shown in Fig. 1. The cloth passes from the idle roller around the roller 97' on the carriage and between the guide-rolls 95 and 96. From between these last two rolls the cloth wraps around the cakes of meal and the press-plates as they are placed upon the receiver. The end of the cloth is attached to the base by the cleat 105 and the thumbscrew 106.

It is obvious that the parts of the machine are arranged to cooperate by means of the main drive-shaft 46.

I have arranged two ratchet-escapements P and Q upon the shaft to check the movement of the plate-holder and cake-receiver by their own weight. This movement is caused by loading the receiver with cakes and plates and unloading the plates from the holder.

The ratchet P consists of the wheel 107, which is mounted upon the shaft 69. The dog 108 is pivoted at 109 to the frame. This dog trails over the teeth of the ratchet-wheel to allow forward and prevent backward revolving of the shaft by the drive-sprocket K and prevent the plate holder descending when raised by the sprocket K. The escapement Q prevents the receiver descending when loaded. This escapement consists of the ratchet-wheel 110, having its teeth facing the opposite direction to the teeth on the ratchet P. The dog 111 is pivoted on the bar 112 of the frame and impinges against the teeth to prevent the shaft 69 from moving forward except when the drive-bar 70 engages the sprocket K. When engaging the sprocket, it trips the dog from the ratchetwheel by dragging against the trip-lever 113 on the dog, which is positioned in the travel of the drive-bar. As the drive-bar leaves the sprocket K it releases the dog to permit engagement with the ratchet-wheel 110.

-In the alternate form of heater shown in Fig. 15 the base is slotted at 114 to receive the regulating-slide 115, which is adapted to project into the pocket to regulate thesize of the pocket and the amount of meal formed into a cake.

In operation the main drive-shaft revolves continuously. Assuming the carriage to be in receded position, as shown in Fig. 1, the drive-bar 70 moves from engagement with the dogs in the direction of the arrows to the drive-sprockets 77. During this movement the plunger in the heater and the pressurelid 8 are approaching the position indicated in Fig. 10. When the plunger is forward, the drive-bar engages the teeth and revolves the drive-sprocket K one tooth forward. This engagement causes the press-plate holder to rise the thickness of one press-plate and the cake-receiver to lower the thickness of one cake, plus that of the the double thickness of the cated in Fig. 6. The plunger the drive-bar 70 keeps steadily press-plate and cloth, as indithen recedes, revolving and lIO engages the yokes 74 and slides the carriage forward to the position indicated in Fig. 4:. The pocket-cover of the heater also revolves and opens the pocket. During these movements the cloth is carried back over the cake N, which has been previously ejected from the frame and lowered by the receiver, and the forks 72 on the carriage slide the plate 0 on the cloth of the receiver to the position the press,

shown in Fig. 4. The drive-bar then engages the dogs 89 and returns the carriage to the position indicated in Fig. 1. During this movement the plunger reaches receded position and starts to compress a new cake in the spout of the heater, and the cover in the heater again revolves over the pocket, while the cloth is wrapped over the top of the plate 0. As the carriage returns the forks glide over the press-plates and their shoulders 73 engage the top plate on the holder when the carriagehasfullyreturned. When returned, the dogs are lifted to disengage from the drivebar by the tapering shoulders 91, against which the lugs 94 impinge. While the carriage is moving forward and backward the cloth unrolls from the roller and is passed back and forth around the press-plates and cakes as they are placed upon the receiver. As the drive-bar continues to revolve from engagement with the dogs to the sprockets 77 the plunger in the heater is moving forward and depositsanew cake on the receiver. Thus the operation is repeated until the receiver has been filled, the plateholder is empty, and the cloth from the roller wrapped around the cakes between the plates. The base 55 then rests upon the shoulders 56, free from the head 58. The bar 54' is then removed from the machine and the truck loaded with cakes moved upon the track to described in my application for patent, Serial No. 65,090, filed June 19, 1901. The head 52 may then be lowered by hand to rest upon the top of the truck I by releasing the dogs from engagement with the ratchetwheels. The bar 51 is withdrawn from the frame and the truck moved upon the track to receive a new stack of plates from the stripping-machine, described in my application for patent, Serial No. 63,363, filed June 6, 1901. The empty truck J andloaded truck I may then be returned to the machine in readiness to repeat the operation.

When starting the machine, the free end of the cloth is attached to the base 55 by the cleat 105 and thumb-screw 106. When it is desired to stop the plunger without interfering with the main drive-shaft, the block-lever is shifted by its handle to the position shown in Fig. 11 to block the entrance of the hook.

Having described my invention, what I claim as new, and desire to protect byLetters Patent, is-

1. A machine for the manufacture of oilmeal cakes, consisting of a heater having a pocket, a plunger, means for reciprocating said plunger through said pocket, whereby the meal in the pocket is compressed into a cake by a single stroke of the plunger, a receiver for the cakes, and means for placing a press-plate on each cake, for the purposes specified.

2. In a machine of the class described, the combination of a heater having a pocket in its base, a plunger adapted to reciprocate through the pocket,,whereby cakes of meal are formed, compressed and ejected from the heater, a receiver for the cakes, means for placing a press-plate under each cake, and means for wrapping cloth around each cake.

3. A machine of the class described, consisting of a heater, a plunger adapted to reciprocate through said heater, a receiver for the cakes of meal, and mechanism for depositing a press-plate under 'and wrapping cloth around each cake as it is received from the heater.-

l. A machine for the production of oil-meal cakes, consisting of a receiver, a cake-former adjoining the receiver, means for moving said receiver to stack the cakes on the receiver in readiness for the press, and mechanism for depositing a plate on each cake as received from the former.

5. A machine of the class described, consisting in combination with the heater, of a receiver, cake-forming mechanism below the outlet of the heater adapted to eject the cakes upon the receiver, a plate-holder, means for moving the plate from the holder onto the receiver, and means for wrapping cloth around each cake.

'6. In a machine for the manufacture of oilmeal cakes, a heater having an outlet, a plunger adapted to reciprocate in the outlet to form cakes of meal, a receiver in front of the outlet adapted to coact with the plunger by lowering, to stack the cakes on the receiver, a pressplate holder and feed mechanism adapted to pass a plate from the holder onto each cake as it is deposited on the receiver.

7. In an apparatus for the treatment of oleaginous seed the combination of a heater, having an outlet, a plunger in said outlet, a receiver in front of the outlet, means for antomatically lowering the receiver each stroke of the plunger, a press-plate holder, means for feeding the press-plates from the holder to the receiver,and means for wrapping cloth around each cake as it is received from the heater; said press-plate feed adapted to place a plate between each cake as it is received by and stacked upon the receiver.

8. A machine for forming meal cakes and preparing them for the press, consisting of a. cake-former, a receiver, means for ejecting each cake as formed, onto said receiver, a carriage adapted to coact with the former and reciprocate over the receiver to-pass cloth around each cake as received, and means for receding the receiver as each cake is wrapped.

9. An oil-oake-forming machine,'consisting of a frame, a pair of trucks adapted to be received in'said frame, one of which carries press-plates and the other receives the cakes, a carriage, means for reciprocating said carriage over said trucks, a rack to feed the plates to the carriage, a second rack to receive the press-plates and cakes onto said receiving-truck as they are wrapped in cloth, mechanism for operating said racks, a heater ism for feeding having a pocket, and a plunger adapted to reciprocate through the pocket; whereby cakes of meal are formed and ejected from the heater onto the receiving-truck.

10. In a machine of the class described, a heater, a plunger on said heater for forming cakes of meal, a receiver for said cakes, means for wrapping cloth around the cakes, a pressplate holder, and means for feeding the plates successively from said holder, between the cakes, on said receiver.

11. In a machine of the class described, a

heater, a plunger in said heater for forming and compressing cakes of meal, a receiver for said cakes, a press-plate holder adjoining said receiver, means for feeding the press-plates successively from the holder onto the receiver, and mechanism for wrapping cloth around each cake as delivered by said plunger on said receiver.

12. In a machine of the class set forth, the combination with a former having an outlet for the cakes of meal, a cake-receiver adjoining said outlet, means for wrapping cloth around the cakes as they are received from said former, and press-plate-feeding mechanism by which the cakes wrapped in cloth are adapted to be separated by press-plates for the purposes specified.

13. In a machine of the class set forth, consisting of a cake-former, a receiver for cakes from the former, mechanism for wrapping clot-h around each cake as received from said former, a press-plate holder, a carrier for feeding the plates from the holder onto the top of the cakes for the purpose of separating the cakes, and means for reciprocating said carrier.

14. A machine of the class set forth, consisting of a heater having a pocket, a plunger adapted to reciprocate through said pocket, a receiver for cakes of meal, a press-plate holder adjoining said receiver, and mechanpress-plates from the holder between the cakes of meal on the receiver.

15. In combination with a heater for oleaginous seed, a plunger adapted to reciprocate through the heater for the purpose of forming and compressing cakes ofmeal, and mechanism for feeding press-plates between said cakes.

16. A machine for molding the product of flax and other oleaginous seed into cakes consisting of a cake-former, in combination with a cake-receiver, means for placing independent plates between the cakes received from the former, and the cakes of meal in cloth between the plates for the purposes specified.

17. A machine for molding the product of flax and other oleaginous seed into cakes, consisting of a heater, an outlet in the base of the heater, a plunger, means for reciprocating said plunger through said outlet, a lid over said outlet by which the cakes of meal are compressed in said base, means for openmechanism adapted to wrap ing and closing said lid over said outlet, a receiver adjoining said outlet, a press-plate holder adjoin-ing said receiver, and means for feeding the press-plates from said holder between the cakes of meal on said receiver.

18. A machine for molding the product of flax or other oleaginous seed into cakes, consisting of a heater, a passage-Way through the base of the heater, a plunger in said passageway, a lid over the outlet of said passage-Way against which the plunger is adapted to compress the cakes, and a receiver adjoining said outlet for the cakes of meal.

19. In a machine of the class set forth, the, combination with a heater having a plunger, means for reciprocating said plunger through said heater, means coacting with said plunger for compressing the cakes of. meal in said heater, a receiver adjoining the heater-,and press-plate-feeding mechanism coacting with said receiver to place press-plates between the cakes on the receiver for the purposes specified.

20. In a machine for the manufacture of oil-meal cakes, the combination with a receiver for cakes, of meal, a former adjoining said receiver adapted to compress the meal into cakes and deposit them on said receiver, a press-plate holder adjoining said receiver, and mechanism for feeding the press-plates from the holderon the cakes of meal on the receiver.

21. In a machine of the class described, the combination with a receiver for cakes of meal, a press-plate holder adjoining said receiver, and mechanism for feeding the pressplates from the holder on the cakes of meal on the receiver.

22. A machine of the class described, consisting of a heater, a plunger in said heater adapted to form and compress cakes of meal in said heater, a truck adjoining said heater for receiving the cakes of meal, a second truck adjoining said receiving-truck for hold-' ing press-plates, and means for feeding pressplates from said second truck onto said receiving-truck.

23. A machine of the class set forth, consisting of a cake-former, a truck adjoining said former for receiving cakes of meal, a second truck adjoining said receiving-truck for holding press-plates, a frame in which said trucks are locked in position, and mechanism for feeding the press-plates onto said receiving-truck.

24. In a machine of the class described, the combination with a cake former, of a receiver, a press-plate holder adjoining said receiver, a carriage adapted to feed plates from said holder onto said receiver and wrap cloth around cakes on the plates, and means for reciprocating said carriage for the purposes specified.

25. A machine of the class set forth, consisting of a cake-former, a receiver adjoining said former for cakes of meal, a plate-holder In testimony whereof I have signed my name to this specification in the presence of IO two subscribing witnesses. I

EDGAR C. BISBEE.

Witnesses:

HELEN H. ONEILL, F. G. BRADBURY.

Corrections in Letters Patent No. 739,478.

It is hereby certified that Letters Patent No. 739,478, granted September 22 J I? 03 upon the application of Edgar C. Bisbee, of Minneapolis, Minnesota, for an in: meat in Oil-Oake-Forming Apparatus, errors appear in the printed speeit requiring correction, as follows: On page 2, in line 89, the word in should be it before the word readiness, in line 67 the word guided should be inserted aft word freely, in line 70 the work coiiperate should read cause, in line 71 the to codperatc should be inserted before the word with, and in line 116 the words should be inserted before the word press-plate; on page 3, in line 21, the W0" after the word shown should read in, and in line 42 the word the should be in before the word dogs on page 4, in line 107, the word all should be inserted the word "each, and in line 122 the word receding should read withdrawal: page 5, in line 6, the word on should read in, in line 80 the word In-comm the line-should vhe stricken out and the letter a following should be a cap: in line 97 the word on should read onto, and in line 103 the word on shoul onto," and that the said Letters Patent should be read with these corrections t' that the same may conform to the record of the case in the Patent Olfice.

Signed and sealed this 22d day of December, A. 1)., 1903.

[emu] F. I. ALLEI Oommeimwr of Pat 

